Let x = the unknown number to get x = 6
15:15
Which is simplified to
1:1
Hope this helps!
-105
Multiply first, then subtract, then add.
Factor the numerator and denominator and cancel the common factors.
4x^4 - 2
9514 1404 393
Answer:
Step-by-step explanation:
The equation for the total number of cases is ...
x + y = 20
The equation for the total cost of the cases is ...
20x +30y = 450
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<em>Additional comment</em>
The solution to these equations is (x, y) = (15, 5).
